The unit vector perpendicular to and is:

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

The unit vector perpendicular to 6i^+2j^+3k^6\hat{i}+2\hat{j}+3\hat{k} and 3i^−6j^−2k^3\hat{i}-6\hat{j}-2\hat{k} is: (1) 2i^−3j^+6k^7\frac{2\hat{i}-3\hat{j}+6\hat{k}}{7} (2) 2i^−3j^−6k^7\frac{2\hat{i}-3\hat{j}-6\hat{k}}{7} (3) 2i^+3j^−6k^7\frac{2\hat{i}+3\hat{j}-6\hat{k}}{7} (4) 2i^+3j^+6k^7\frac{2\hat{i}+3\hat{j}+6\hat{k}}{7}

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